Austronomia capitata ( Smith, 1875 )

Athul, Cherodath Sankar, Vishnu, Azhakath Viswambharan, Prakash, Anju Sara, Bijoy, Chenthamarakshan & Shaji, Edappilly Mathew, 2025, A checklist of Nomiinae (Hymenoptera, Halictidae) from Kerala, India: new distributional and floral association records, Journal of Insect Biodiversity and Systematics 11 (3), pp. 601-623 : 604

Austronomia capitata ( Smith, 1875) ( Fig. 2A–B )

Nomia capitata Smith, 1875:54 . Holotype ♂, Northern India – BMNH.

Material examined. 2♂♂, India, Kerala, Thrissur, Kattoor Kole wetland (10°21'59.3892"N, 76°9'48.4236"E), 21.vi.2023, Swept, leg.: AVV ; 1♀ 1♂, Muriyad Kole wetland (10°21'59.9328"N, 76°14'54.4704"E), 9.ix.2023, Swept, leg.: AVV ; 1♀ 2♂♂, Chemmanda Kole wetland (10°23'44.6892"N, 76°11'54.1248"E), 28.xii.2023, Swept, leg.: AVV ; 1♂, Alapad Kole wetland (10°26'47.5332"N, 76°9'55.3212"E), 17.xi.2023, Swept, leg.: AVV ; 1♂ Thommana Kole wetland (10°20'39.066"N, 76°15'19.602"E), 23.ix.2023, Swept, leg.: CSA ; 1♂, Chengaloor, near Kurumali river (10°23'36.0744"N, 76°18'16.4376"E), 26.xii.2023, Swept, leg.: CSA ; 1♀, Kalashamala hillock (10°39'39.222"N, 76°5'27.0852"E), 15.xii.2023, Swept, leg.: CSA .

Brief diagnosis. ♂, Body length less than 7 mm. Hind tibia slightly swollen, with an elongated and pointed apical lobe bearing two tibial spurs. ♀, Body length, colour and pubescence similar to male, Punctation on tergites weak.

Distribution in India. Karnataka, Maharashtra, Punjab, West Bengal ( Pauly, 2009; Pannure & Belavadi, 2017; Majumder et al., 2024; Ascher & Pickering, 2025), Kerala (New record).

General distribution. Oriental – India, Sri Lanka ( Ascher & Pickering, 2025).

Floral association. Tectona grandis ( Lamiaceae ) ( Pannure & Belavadi, 2017); Cleome rutidosperma , Cleome viscosa ( Cleomaceae ), Cyanthillium cinereum , Mikania micrantha ( Asteraceae ), Mimosa pudica , Neustanthus phaseoloides ( Fabaceae ), Sesamum radiatum ( Pedaliaceae ) (New records).

Figures

Figure 2. Nomiinae of Kerala, adults dorsal view. A. Austronomia capitata (Smith, 1875) ♂; B. Austronomia capitata (Smith, 1875) ♀; C. Austronomia goniognatha (Cockerell, 1919) ♂; D. Austronomia pseudoscutellata Pauly, 2009 ♂; E. Austronomia ustula (Cockerell, 1911) ♂; F. Austronomia ustula (Cockerell, 1911) ♀; G. Curvinomia strigata (Fabricius, 1793) ♀; H. Gnathonomia argenteobalteata (Cameron, 1902) ♂; I. Gnathonomia aurata (Bingham, 1897) ♂; J. Gnathonomia aurata (Bingham, 1897) ♀; K. Gnathonomia thoracica (Smith, 1875) ♂; L. Gnathonomia thoracica (Smith, 1875) ♀; M. Hoplonomia elliotii (Smith, 1875) ♂; N. Hoplonomia elliotii (Smith, 1875) ♀; O. Hoplonomia incerta (Gribodo, 1894) ♂. Scale bars = 2 mm.